body{
    overflow:scroll;
overflow-x:hidden;
    background: #eee;
}
.box{
    width: 100%;
    height: 100vw;
}
.home{
    width: 80%;
    margin:0 auto;
    background-color: #fff;
    height: 100%;
}
.van-tabs{
    width: 300px;
}
hr{
    width: 80%;
    height: 3px;
    background:#a3afbc;
    margin-top:-3px;
    position: absolute;
    border:none;
}

